[glib/gwakeup] GWakeup: add signal safety note

[Ryan Lortie <ryanl src gnome org>]

commit 7f15910e7907e17606ba9e149cc3b04be4887bbf
Author: Ryan Lortie <desrt desrt ca>
Date:   Mon Jul 25 16:35:08 2011 +0200

    GWakeup: add signal safety note
    
    Note that g_wakeup_signal() is safe to call from a UNIX signal handler
    (since this is a likely place to want to call it from).

 glib/gwakeup.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/glib/gwakeup.c b/glib/gwakeup.c
index 76f9ece..29a0fca 100644
--- a/glib/gwakeup.c
+++ b/glib/gwakeup.c
@@ -202,6 +202,8 @@ g_wakeup_acknowledge (GWakeup *wakeup)
  * g_wakeup_get_pollfd() will immediately succeed until such a time as
  * g_wakeup_acknowledge() is called.
  *
+ * This function is safe to call from a UNIX signal handler.
+ *
  * Since: 2.30
  **/
 void